Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFu8JkpEby3Jl1Hid+6WUQQqH6+/10C4w6+sENRSdOQqQGg0T530gVr5gDu… (844 chars)"
  }
}